Consider the following statements 1. When the sphere passes through the center, the acceleration is zero. 2. The oscillator attains a specified velocity twice in every rotation. 3. When the sphere reaches the peak position during the oscillator, both its speed and acceleration are zero. 4. The oscillatory amplitude of a normal oscillator decreases with time. Which of the above statements are correct?

• A. 1 and 2
• B. 3 and 4
• C. 1,2 and 4
• D. 2,3 and 4